# KB3176495: August 2016 cumulative update for Windows 10 1607

KB3176495, released August 9, 2016, fixes 15 CVEs across 6 products. One of them is being exploited (CVE-2016-3309); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb3176495
- Platform: Microsoft
- Released: Aug 9, 2016
- Priority: Patch now (Closes CVE-2016-3309, exploited (CISA KEV, ransomware))
- CVEs: 15, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/3176495

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1607-for-32-bit-systems.md) |  | 14393.51 |
| [Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1607-for-x64-based-systems.md) |  | 14393.51 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1607-for-32-bit-systems.md) |  | 14393.51 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1607-for-x64-based-systems.md) |  | 14393.51 |
| [Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-32-bit-systems.md) |  | 14393.51 |
| [Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-x64-based-systems.md) |  | 14393.51 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2016-3309](https://patchblox.com/security/data/cve/CVE-2016-3309.md) | Patch now | Windows Kernel-Mode Drivers | n/a | 0.2047 | CISA KEV, Ransomware |
| [CVE-2016-3288](https://patchblox.com/security/data/cve/CVE-2016-3288.md) | Urgent | Internet Explorer | 7.1 | 0.4627 | More likely |
| [CVE-2016-3301](https://patchblox.com/security/data/cve/CVE-2016-3301.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.4449 | More likely |
| [CVE-2016-3321](https://patchblox.com/security/data/cve/CVE-2016-3321.md) | Urgent | Internet Explorer | 2.6 | 0.3795 | More likely |
| [CVE-2016-3319](https://patchblox.com/security/data/cve/CVE-2016-3319.md) | Urgent | Microsoft Windows PDF | 4.2 | 0.1854 |  |
| [CVE-2016-3289](https://patchblox.com/security/data/cve/CVE-2016-3289.md) | Urgent | Microsoft Browsers | 7.1 | 0.1770 | More likely |
| [CVE-2016-3290](https://patchblox.com/security/data/cve/CVE-2016-3290.md) | Urgent | Internet Explorer | 7.1 | 0.1643 | More likely |
| [CVE-2016-3296](https://patchblox.com/security/data/cve/CVE-2016-3296.md) | Urgent | Microsoft Edge | 4.2 | 0.1487 | More likely |
| [CVE-2016-3293](https://patchblox.com/security/data/cve/CVE-2016-3293.md) | Urgent | Microsoft Browsers | 7.1 | 0.1473 | More likely |
| [CVE-2016-3322](https://patchblox.com/security/data/cve/CVE-2016-3322.md) | Urgent | Microsoft Browsers | 7.1 | 0.1451 | More likely |
| [CVE-2016-3308](https://patchblox.com/security/data/cve/CVE-2016-3308.md) | Urgent | Windows Kernel-Mode Drivers | n/a | 0.0642 | More likely |
| [CVE-2016-3310](https://patchblox.com/security/data/cve/CVE-2016-3310.md) | Urgent | Windows Kernel-Mode Drivers | n/a | 0.0263 | More likely |
| [CVE-2016-3311](https://patchblox.com/security/data/cve/CVE-2016-3311.md) | Urgent | Windows Kernel-Mode Drivers | n/a | 0.0153 | More likely |
| [CVE-2016-3327](https://patchblox.com/security/data/cve/CVE-2016-3327.md) | Routine | Microsoft Browsers | 6.4 | 0.1592 |  |
| [CVE-2016-3329](https://patchblox.com/security/data/cve/CVE-2016-3329.md) | Routine | Microsoft Browsers | 6.4 | 0.1592 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo